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Physics Chapter 1 Flashcards | StudBud
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Physics Chapter 1
the base unit of length is the
quantities represented by a number and a unit
Physics Chapter 1
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Physics Chapter 1
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Answers
1
quantities represented by a number and a unit
vector
scalar
integer
velocity
2
the base unit of length is the
foot
kilometer
meter
centimeter
3
The base unit of time is
hours
seconds
minutes
4
Which of these have the same units
5 km and 5 m
2 cm and 2 m
15 m and 20 s
10 grams and 25 grams
5
You work for a drug company and skew the results of an experiment to show the drug isn't bad
You want the drug to be workable
You publish invalid results
You are not a good person
You are biased
6
The goal of physics is to
prove physicists are the smartest humans
figure out time travel
gain a deeper understanding of the world
7
the dependent variable goes on the
y-axis
x-axis
8
a numerical value with its unit and direction
speed
vector
scalar
integer
9
If my equation is (7.5 x 8.33)/92.12, my answer should have how many significant figures?
2
1
3
4
10
Which of these is NOT a major reason measurements can be inaccurate?
limitations in a measuring device
limitations in the skill of an experimenter
limitations in human perception
limitations in the environment
11
92,000,000,000 in scientific notation is
92 x 10^9
92.0 x 10^9
9.2 x 10^8
9.2 x 10^10
12
The systematic approach used to learn about the laws of nature is the
scientific method
scientific theory
scientific process
13
the independent variable goes on the
x-axis
y-axis
14
Science is a collection of facts
true
false
15
Which of these has the same dimension?
25 meters and 5 cm
20 grams and 5 seconds
20 km and 20 grams
7 kilograms and 7 kilometers
16
How close the measured value is to the actual value
accuracy
precision
17
Mass is an unchanging property
false
true
18
The base unit of mass is the
centigram
kilogram
gram
19
how close together the value of a series of measurements are to one another
accuracy
precision
20
well-supported descriptions of nature
theories
laws
21
Weight is an unchanging property
false
true
22
a preference for a particular point of view
mindset
bias
worldview
23
well-supported explanations of nature
laws
theories
